{"id":3985,"date":"2015-03-02T14:27:12","date_gmt":"2015-03-02T07:27:12","guid":{"rendered":"http:\/\/13.215.197.123\/?p=3985"},"modified":"2015-03-02T14:43:45","modified_gmt":"2015-03-02T07:43:45","slug":"the-development-of-gas-turbine-compressor-cleaning-process","status":"publish","type":"post","link":"https:\/\/rochem.vn\/index.php\/the-development-of-gas-turbine-compressor-cleaning-process\/","title":{"rendered":"S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p t\u1ea9y r\u1eeda m\u00e1y n\u00e9n tua bin kh\u00ed"},"content":{"rendered":"<table style=\"width: 750px;\">\n<tbody>\n<tr>\n<td><span style=\"font-weight: bold; color: #00ccff; font-size: 12pt;\">M\u1ede \u0110\u1ea6U<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\">\n<tbody>\n<tr>\n<td style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">Nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng s\u1edbm nh\u1ea5t \u0111\u1ec3 l\u00e0m s\u1ea1ch m\u00e1y n\u00e9n kh\u00ed l\u00e0 t\u1ea9y r\u1eeda off line b\u1eb1ng tay v\u00e0 online b\u1eb1ng c\u00e1c lo\u1ea1i ch\u1ea5t r\u1eafn h\u1eefu c\u01a1. Tuy nhi\u00ean v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n ng\u00e0y c\u00e0ng tinh vi c\u1ee7a c\u00e1c tua bin kh\u00ed, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y d\u1ea7n d\u1ea7n \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng qu\u00e1 tr\u00ecnh t\u1ea9y r\u1eeda \u01b0\u1edbt b\u1eb1ng n\u01b0\u1edbc ho\u1eb7c h\u00f3a ch\u1ea5t. Nghi\u00ean c\u1ee9u n\u00e0y gi\u1edbi thi\u1ec7u qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ea9y r\u1eeda trong h\u01a1n 20 n\u0103m qua, th\u00f4ng qua m\u1ed9t lo\u1ea1t c\u00e1c nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh, v\u1edbi mong mu\u1ed1n cung c\u00e1c th\u00f4ng tin c\u00f3 th\u1ec3 gi\u00fap c\u00e1c nh\u00e0 v\u1eadn h\u00e0nh th\u1ef1c hi\u1ec7n m\u1ed9t ch\u1ebf \u0111\u1ed9 t\u1ea9y r\u1eeda t\u1ed1i \u01b0u trong ch\u01b0\u01a1ng tr\u00ecnh b\u1ea3o tr\u00ec tua bin kh\u00ed v\u00e0 c\u1ea3i thi\u1ec7n l\u1ee3i nhu\u1eadn c\u1ee7a nh\u00e0 m\u00e1y.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\">\n<tbody>\n<tr>\n<td style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">C\u00e1c tua bin kh\u00ed ng\u00e0y nay \u0111\u1ec1u \u0111\u01b0\u1ee3c trang b\u1ecb c\u00e1c h\u1ec7 th\u1ed1ng l\u1ecdc kh\u00f4ng kh\u00ed tinh vi, tuy nhi\u00ean vi\u1ec7c lo\u1ea1i b\u1ecf to\u00e0n b\u1ed9 c\u00e1c h\u1ea1t trong kh\u00f4ng kh\u00ed tr\u01b0\u1edbc khi v\u00e0o tu\u1ed1c bin kh\u00ed l\u00e0 kh\u00f4ng th\u1ec3. Theo Hoeft (1993), l\u01b0u l\u01b0\u1ee3ng kh\u00ed \u0111i qua m\u00e1y n\u00e9n gi\u1ea3m 5% do b\u00e1m b\u1ea9n tr\u00ean b\u1ec1 m\u1eb7t s\u1ebd g\u1ea9y t\u1ed5n th\u1ea5t t\u1edbi 13% n\u0103ng l\u01b0\u1ee3ng v\u00e0 l\u00e0m gia t\u0103ng nhi\u1ec7t \u0111\u1ed9 5.5%. V\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng quy m\u00f4 l\u1edbn nh\u01b0 hi\u1ec7n nay c\u1ee7a tua bin kh\u00ed h\u1ed7n h\u1ee3p trong c\u00e1c l\u0129nh v\u1ef1c , t\u1ea9y r\u1eeda m\u00e1y n\u00e9n tuabin kh\u00ed \u0111\u00e3 nh\u1eadn \u0111\u01b0\u1ee3c nhi\u1ec1u s\u1ef1 quan t\u00e2m h\u01a1n c\u1ee7a c\u00e1c nh\u00e0 v\u1eadn h\u00e0nh trong vi\u1ec7c duy tr\u00ec hi\u1ec7u su\u1ea5t c\u0169ng nh\u01b0 l\u1ee3i nhu\u1eadn c\u1ee7a nh\u00e0 m\u00e1y.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"461\">\n<tbody>\n<tr>\n<td><span style=\"color: #00ccff; font-size: 12pt;\"><span style=\"font-weight: bold;\">K\u1ebeT H\u1ee2P T\u1ea8Y R\u1eecA ONLINE V\u00c0 OFFLINE<\/span><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\">\n<tbody>\n<tr>\n<td style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">Th\u1eed nghi\u1ec7m trong th\u1eddi gian d\u00e0i \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh v\u00e0o gi\u1eefa nh\u1eefng n\u0103m 1980 t\u1ea1i nh\u00e0 m\u00e1y Energieproduktiebedrijf Utrecht (UNA) PEGUS 100MW \u1edf H\u00e0 Lan, s\u1eed d\u1ee5ng chu tr\u00ecnh h\u1ed7n h\u1ee3p v\u1edbi 2 tua bin kh\u00ed 30.7 MW v\u00e0 m\u1ed9t tua bin h\u01a1i n\u01b0\u1edbc 38.6MW. Nh\u00e0 m\u00e1y n\u1eb1m c\u1ea1nh Merwedekanaal, ngo\u1ea1i \u00f4 ph\u00eda t\u00e2y nam c\u1ee7a Utrecht, kho\u1ea3ng 60 km t\u1eeb bi\u1ec3n. M\u1ed9t \u0111\u01b0\u1eddng cao t\u1ed1c t\u1ea5p n\u1eadp b\u0103ng ngang qua con k\u00eanh g\u1ea7n nh\u00e0 m\u00e1y, trong khu v\u1ef1c c\u00f3 c\u00e1c nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t v\u00e0 ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m, c\u00e1c ho\u1ea1t \u0111\u1ed9ng n\u00e0y \u0111\u00e3 l\u00e0m ph\u00e1t sinh l\u01b0\u1ee3ng l\u1edbn b\u1ee5i, mu\u1ed1i v\u00e0 kh\u00ed th\u1ea3i v\u00e0 kh\u00f4ng kh\u00ed. Tua bin kh\u00ed ch\u1ea1y b\u1eb1ng kh\u00ed ga t\u1ef1 nhi\u00ean, c\u00e1c ph\u00e9p \u0111o \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf ch\u1ebf \u0111\u1ed9 \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng nhi\u1ec7t \u0111\u1ed9, v\u1edbi c\u00e1c ghi nh\u1eadn \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb trong h\u00ecnh 1.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"423\">\n<tbody>\n<tr>\n<td><span style=\"font-size: 12pt;\"><a href=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/Hinh11.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3987\" src=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/Hinh11.png\" alt=\"Hi\u1ec7u qu\u1ea3 c\u1ee7a t\u1ea9y r\u1eeda Online v\u00e0 Offline tr\u00ean c\u00f9ng m\u1ed9t tua bin kh\u00ed\" width=\"750\" height=\"515\" srcset=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/Hinh11.png 844w, https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/Hinh11-300x205.png 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/a><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"741\">\n<tbody>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><em><span style=\"font-weight: bold;\">H\u00ecnh 1:<\/span>\u00a0Hi\u1ec7u qu\u1ea3 c\u1ee7a t\u1ea9y r\u1eeda Online v\u00e0 Offline tr\u00ean c\u00f9ng m\u1ed9t tua bin kh\u00ed<\/em><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"711\">\n<tbody>\n<tr>\n<td><span style=\"color: #ff0000; font-size: 12pt;\"><span style=\"font-weight: bold;\">C\u00e1c k\u1ebft qu\u1ea3 r\u00fat ra \u0111\u01b0\u1ee3c t\u1eeb qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m:<\/span><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table width=\"747\">\n<tbody>\n<tr>\n<td>\n<ul>\n<li style=\"text-align: justify;\"><span style=\"font-size: 12pt;\"><em>N\u1ebfu kh\u00f4ng ti\u1ebfn h\u00e0nh t\u1ea9y r\u1eeda, n\u0103ng l\u01b0\u1ee3ng \u0111\u1ea7u duy gi\u1ea3m m\u1ed9t c\u00e1ch \u1ed5n \u0111\u1ecbnh theo th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng c\u1ee7a tua bin kh\u00ed. Trong th\u1eed nghi\u1ec7m, n\u0103ng l\u01b0\u1ee3ng t\u1ed5n th\u1ea5t t\u1edbi 10% sau kho\u1ea3ng 700 gi\u1edd ho\u1ea1t \u0111\u1ed9ng so v\u1edbi c\u00f4ng su\u1ea5t thi\u1ebft k\u1ebf c\u1ee7a tua bin kh\u00ed\u00a0<\/em><\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-size: 12pt;\"><em>N\u0103ng l\u01b0\u1ee3ng ph\u1ee5c h\u1ed3i sau m\u1ed7i l\u1ea7n t\u1ea9y r\u1eeda offline cao h\u01a1n online<\/em><\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-size: 12pt;\"><em>T\u1ea9y r\u1eeda online \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh l\u1ea7n l\u01b0\u1ee3t c\u00e1ch nhau 700, 350 v\u00e0 120 gi\u1edd ho\u1ea1t \u0111\u1ed9ng. K\u1ebft qu\u1ea3 cho th\u1ea5y v\u1edbi kho\u1ea3ng c\u00e1ch th\u1eddi gian ng\u1eafn h\u01a1n, t\u1ea9y r\u1eeda online cho hi\u1ec7u qu\u1ea3 cao h\u01a1n v\u00e0 ng\u0103n ng\u1eeba t\u1ed1t h\u01a1n s\u1ef1 suy gi\u1ea3m hi\u1ec7u su\u1ea5t \u0111\u1ed9ng c\u01a1.<\/em><\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-size: 12pt;\"><em>S\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a c\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p t\u1ea9y r\u1eeda l\u00e0 hi\u1ec7u qu\u1ea3 v\u00e0 kinh t\u1ebf nh\u1ea5t.<\/em><\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-size: 12pt;\"><em>D\u1ef1a tr\u00ean c\u00e1c k\u1ebft qu\u1ea3 v\u1edbi c\u00e1c ph\u00e9p \u0111o \u0111\u01b0\u1ee3c th\u1ef1c hi\u00ean \u1edf tr\u00ean v\u00e0 suy cho 8000 gi\u1edd ho\u1ea1t \u0111\u1ed9ng, ng\u01b0\u1eddi ta \u01b0\u1edbc t\u00ednh r\u1eb1ng c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 450.000 USD m\u1ed7i n\u0103m n\u1ebfu k\u1ebft h\u1ee3p c\u1ea3 2 ph\u01b0\u01a1ng ph\u00e1p t\u1ea9y r\u1eeda online v\u00e0 offline tr\u00ean c\u00f9ng m\u1ed9t tua bin kh\u00ed 30 MW.<\/em><\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\">\n<tbody>\n<tr>\n<td><span style=\"font-weight: bold; color: #00ccff; font-size: 12pt;\">TH\u00cd NGHI\u1ec6M GIA T\u0102NG T\u1ea6N SU\u1ea4T T\u1ea8Y R\u1eecA ONLINE<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\">\n<tbody>\n<tr>\n<td style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">V\u00e0o m\u00f9a xu\u00e2n n\u0103m 1990, UNA \u0111\u00e3 ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m d\u00e0i ng\u00e0y tr\u00ean \u0111\u1ed9ng c\u01a1 tua bin kh\u00ed 66 MW \u0111ang v\u1eadn h\u00e0nh \u1edf nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n chu tr\u00ecnh h\u1ed7n h\u1ee3p Lage Weide 5. K\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m trong 18 th\u00e1ng v\u1edbi s\u1ef1 k\u1ebft h\u1ee3p c\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p t\u1ea9y r\u1eeda online v\u00e0 offline, t\u1eeb ng\u00e0y 18.5.1990 \u0111\u1ebfn ng\u00e0y 18.11.1991. Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, \u0111\u1ed9ng c\u01a1 tua bin kh\u00ed \u0111\u00e3 v\u1eadn h\u00e0nh 8089h. \u0110\u1ed9ng c\u01a1 \u0111\u01b0\u1ee3c ng\u01b0ng ho\u1ea1t \u0111\u1ed9ng ho\u00e0n to\u00e0n cho qu\u00e1 tr\u00ecnh b\u1ea3o tr\u00ec (cho m\u1ed7i 26.408 gi\u1edd ho\u1ea1t \u0111\u1ed9ng) v\u00e0o th\u1eddi \u0111i\u1ec3m 3915 gi\u1edd c\u1ee7a th\u00ed nghi\u1ec7m. Do \u0111\u00f3 th\u1eed nghi\u1ec7m c\u00f3 th\u1ec3 ch\u1ec9 ra \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 c\u1ee7a vi\u1ec7c t\u1ea9y r\u1eeda online th\u01b0\u1eddng xuy\u00ean h\u01a1n tr\u00ean m\u1ed9t \u0111\u1ed9ng c\u01a1 m\u1edbi v\u00e0 m\u1ed9t \u0111\u1ed9ng c\u01a1 \u0111\u00e3 ho\u1ea1t \u0111\u1ed9ng trong th\u1eddi gian d\u00e0i d\u1ef1a v\u00e0o hi\u1ec7u qu\u1ea3 c\u1ee7a nh\u00e0 m\u00e1y. \u0110\u1ed9ng c\u01a1 tua bin kh\u00ed c\u0169ng s\u1eed d\u1ee5ng kh\u00ed t\u1ef1 nhi\u00ean v\u00e0 v\u1ecb tr\u00ed l\u00e0 t\u01b0\u01a1ng t\u1ef1 so v\u1edbi th\u00ed nghi\u1ec7m tr\u01b0\u1edbc \u0111\u00f3. H\u1ec7 th\u1ed1ng l\u1ecdc kh\u00f4ng kh\u00ed bao g\u1ed3m m\u1ed9t b\u1ed9 l\u1ecdc th\u00f4 v\u00e0 m\u1ed9t b\u1ed9 l\u1ecdc t\u1ed1t h\u01a1n ph\u00eda sau (Stalder and van Oosten, 1994)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\">\n<tbody>\n<tr>\n<td style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">Qu\u00e1 tr\u00ecnh t\u1ea9y r\u1eeda online b\u1eb1ng n\u01b0\u1edbc \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh m\u1ed7i 4 ng\u00e0y m\u1ed9t l\u1ea7n khi \u0111\u1ed9ng c\u01a1 tua bin kh\u00ed ch\u1ea1y \u1edf t\u1ea3i th\u00f4ng th\u01b0\u1eddng v\u1edbi ch\u1ebf \u0111\u1ed9 ki\u1ec3m so\u00e1t b\u1eb1ng nhi\u1ec7t \u0111\u1ed9. Hi\u1ec7u su\u1ea5t c\u1ee7a \u0111\u1ed9ng c\u01a1 tua bin kh\u00ed \u0111\u01b0\u1ee3c \u0111o \u0111\u1ea1c tr\u01b0\u1edbc v\u00e0 sau m\u1ed7i l\u1ea7n t\u1ea9y r\u1eeda.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\">\n<tbody>\n<tr>\n<td style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">K\u1ebft qu\u1ea3 cho th\u1ea5y r\u1eb1ng m\u1ee9c s\u1ea3n l\u01b0\u1ee3ng cao v\u00e0 \u1ed5n \u0111\u1ecbnh g\u1ea7n v\u1edbi s\u1ea3n l\u01b0\u1ee3ng \u0111\u1ecbnh m\u1ee9c, b\u1ea5t ch\u1ea5p \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft kh\u00f3 kh\u0103n trong khu v\u1ef1c trong qu\u00e1 tr\u00ecnh th\u00ed nghi\u1ec7m.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\">\n<tbody>\n<tr>\n<td style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">Trong \u0111\u00e1nh gi\u00e1 \u0111\u1ea7u ti\u00ean, xem h\u00ecnh 2, \u0111\u1ed9ng c\u01a1 tua bin kh\u00ed \u0111\u00e3 \u0111\u01b0\u1ee3c v\u1eadn h\u00e0nh v\u1edbi t\u1ea3i 97.6 ho\u1eb7c 2.4% th\u1ea5p h\u01a1n so v\u1edbi s\u1ea3n l\u01b0\u1ee3ng \u0111\u1ecbnh m\u1ee9c \u1edf \u0111i\u1ec1u ki\u1ec7n m\u1edbi ho\u00e0n to\u00e0n. Trong qu\u00e1 tr\u00ecnh n\u00e0y, m\u00e1y n\u00e9n kh\u00ed \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ea9y r\u1eeda t\u1ed5ng c\u1ed9ng 38 l\u1ea7n, trung b\u00ecnh m\u1ed7i b\u1ed1n ng\u00e0y m\u1ed9t l\u1ea7n. Th\u00eam v\u00e0o \u0111\u00f3, ba l\u1ea7n t\u1ea9y r\u1eeda offline \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n khi \u0111\u1ed9ng c\u01a1 ng\u01b0ng ho\u1ea1t \u0111\u1ed9ng t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u00e1c th\u1eddi \u0111i\u1ec3m 760, 2435 v\u00e0 605 gi\u1edd c\u1ee7a th\u00ed nghi\u1ec7m. N\u0103ng l\u01b0\u1ee3ng trung b\u00ecnh sau m\u1ed7i l\u1ea7n t\u1ea9y r\u1eeda offline \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n kho\u1ea3ng 1800 kW. C\u00e1c k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch hi\u1ec7u su\u1ea5t v\u00e0o th\u1eddi gian n\u00e0y g\u1ea7n nh\u01b0 n\u1eb1m ngang, cho th\u1ea5y r\u1eb1ng s\u1ef1 l\u00e3o h\u00f3a c\u1ee7a \u0111\u1ed9ng c\u01a1 do c\u00e1c hao m\u00f2n v\u1ec1 c\u01a1 kh\u00ed \u0111\u00e3 \u0111i v\u00e0o giai \u0111o\u1ea1n \u1ed5n \u0111\u1ecbnh.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"414\">\n<tbody>\n<tr>\n<td><span style=\"font-size: 12pt;\"><a href=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/H\u00ecnh-2.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-3988\" src=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/H\u00ecnh-2-300x156.png\" alt=\"H\u00ecnh 2\" width=\"342\" height=\"178\" srcset=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/H\u00ecnh-2-300x156.png 300w, https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/H\u00ecnh-2.png 960w\" sizes=\"auto, (max-width: 342px) 100vw, 342px\" \/><\/a><\/span><\/p>\n<table width=\"343\">\n<tbody>\n<tr>\n<td><span style=\"font-size: 10pt;\"><em><span style=\"font-weight: bold;\">H\u00ecnh 2:<\/span>\u00a0Hi\u1ec7u su\u1ea5t c\u1ee7a \u0111\u1ed9ng c\u01a1 tua bin kh\u00ed 30MW<\/em><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<td>\n<p style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">Ngay sau khi k\u1ebft th\u00fac ph\u1ea7n th\u00ed nghi\u1ec7m \u0111\u1ea7u ti\u00ean, \u0111\u1ed9ng c\u01a1 \u0111\u00e3 \u0111\u01b0\u1ee3c ng\u01b0ng l\u1ea1i ho\u00e0n to\u00e0n \u0111\u1ec3 ti\u1ebfn h\u00e0nh b\u1ea3o d\u01b0\u1ee1ng to\u00e0n b\u1ed9, quy tr\u00ecnh n\u00e0y gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u1ed9ng c\u01a1 tr\u1edf v\u1ec1 tr\u1ea1ng th\u00e1i nh\u01b0 v\u1edbi v\u1edbi h\u01a1n 100.8 % hi\u1ec7u su\u1ea5t. C\u00e1c k\u1ebft qu\u1ea3 t\u1ed5ng h\u1ee3p tr\u00ean h\u00ecnh 2 cho th\u1ea5y \u0111\u1ed9ng c\u01a1 \u0111\u00e3 ho\u1ea1t \u0111\u1ed9ng 4174 gi\u1edd v\u1edbi m\u1ee9c t\u1ea3i th\u1ea5p nh\u1ea5t l\u00e0 99% hay \u00edt h\u01a1n 1% so v\u1edbi s\u1ea3n l\u01b0\u1ee3ng \u0111\u1ecbnh m\u1ee9c \u1edf \u0111i\u1ec1u ki\u1ec7n m\u1edbi ho\u00e0n to\u00e0n; c\u1ea7n l\u01b0u \u00fd r\u1eb1ng v\u00e0o th\u1eddi \u0111i\u1ec3m cu\u1ed1i c\u00f9ng c\u1ee7a th\u00ed nghi\u1ec7m, \u0111\u1ed9ng c\u01a1 \u0111\u00e3 v\u1eadn h\u00e0nh \u0111\u01b0\u1ee3c t\u1ed5ng c\u1ed9ng 30,725 gi\u1edd.\u00a0<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"630\">\n<tbody>\n<tr>\n<td>\n<p style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">Trong giai \u0111o\u1ea1n 2 c\u1ee7a th\u00ed nghi\u1ec7m n\u00e0y, 45 l\u1ea7n t\u1ea9y r\u1eeda online \u0111\u00e3 \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh, m\u1ed7i 4 ng\u00e0y m\u1ed9t l\u1ea7n. Th\u00eam v\u00e0o \u0111\u00f3, hai l\u1ea7n t\u1ea9y r\u1eeda offline \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n, m\u1ed9t l\u1ea7n sau 1143 gi\u1edd v\u00e0 l\u1ea7n th\u1ee9 hai sau 1381 gi\u1edd ho\u1ea1t \u0111\u1ed9ng. S\u1ea3n l\u01b0\u1ee3ng gia t\u0103ng trung b\u00ecnh sau m\u1ed7i l\u1ea7n t\u1ea9y r\u1eeda offline trong giai \u0111o\u1ea1n 2 l\u00e0 x\u1ea5p x\u1ec9 1 MW.<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"497\">\n<tbody>\n<tr>\n<td><span style=\"font-size: 12pt;\"><strong style=\"font-weight: bold; color: #ff0000;\">C\u00e1c k\u1ebft qu\u1ea3 r\u00fat ra \u0111\u01b0\u1ee3c t\u1eeb qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m:<\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"401\">\n<tbody>\n<tr>\n<td>\n<ul>\n<li style=\"text-align: justify;\"><span style=\"font-size: 12pt;\"><em>82 l\u1ea7n t\u1ea9y r\u1eeda online \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh th\u00ec nghi\u1ec7m k\u00e9o d\u00e0i 8089 gi\u1edd, 87% hay 72 l\u1ea7n t\u1ea9y r\u1eeda online \u0111\u00e3 ch\u1ee9ng minh \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i n\u0103ng l\u01b0\u1ee3ng cho \u0111\u1ed9ng c\u01a1 ho\u1ea1t \u0111\u1ed9ng \u1edf ch\u1ebf \u0111\u1ed9 \u0111\u1ea7y t\u1ea3i.<\/em><\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-size: 12pt;\"><em>712 kW l\u00e0 m\u1ee9c n\u0103ng l\u01b0\u1ee3ng trung b\u00ecnh \u0111\u01b0\u1ee3c ph\u1ee5c h\u1ed3i sau m\u1ed7i l\u1ea7n t\u1ea9y r\u1eeda online. L\u01b0\u1ee3ng nh\u1ecf n\u00e0y chi\u1ebfm kho\u1ea3ng 1% s\u1ea3n l\u01b0\u1ee3ng \u0111\u1ecbnh m\u1ee9c c\u1ee7a \u0111\u1ed9ng c\u01a1 tua bin kh\u00ed.<\/em><\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-size: 12pt;\"><em>T\u1ea9y r\u1eeda online v\u00e0 offline b\u1ed5 sung cho nhau<\/em><\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-size: 12pt;\"><em>K\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m ch\u1ec9 ra r\u1eb1ng t\u1ea9y r\u1eeda online th\u01b0\u1eddng xuy\u00ean k\u00e9o d\u00e0i th\u1eddi gian gi\u1eefa 2 l\u1ea7n t\u1ea9y r\u1eeda offline. \u0110i\u1ec1u n\u00e0y \u0111em \u0111\u1ebfn hi\u1ec7u qu\u1ea3 th\u1ef1c s\u1ef1 cho c\u00e1c nh\u00e0 v\u1eadn h\u00e0nh, b\u1eddi v\u00ec th\u1eddi gian t\u1eaft \u0111\u1ed9ng c\u01a1 cho b\u1ea3o tr\u00ec s\u1ebd \u0111\u01b0\u1ee3c gi\u1ea3m xu\u1ed1ng. Hi\u1ec7u su\u1ea5t, c\u0169ng nh\u01b0 l\u1ee3i nhu\u1eadn t\u1ed5ng th\u1ec3 c\u1ee7a nh\u00e0 m\u00e1y s\u1ebd \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/em><\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-size: 12pt;\"><em>C\u00e1c k\u1ebft qu\u1ea3 \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng s\u1eed k\u1ebft h\u1ee3p gi\u1eefa t\u1ea9y r\u1eeda online v\u00e0 offline c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean c\u1ea3 c\u00e1c \u0111\u1ed9ng c\u01a1 m\u1edbi v\u00e0 c\u0169.<\/em><\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"529\">\n<tbody>\n<tr>\n<td>\n<p style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">C\u00e1c nghi\u00ean c\u1ee9u \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng hi\u1ec7u su\u1ea5t trung b\u00ecnh tr\u00ean 4000 gi\u1edd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a nh\u00e0 m\u00e1y th\u1eed nghi\u1ec7m khi kh\u00f4ng t\u1ea9y r\u1eeda m\u00e1y n\u00e9n kh\u00ed b\u1ecb suy gi\u1ea3m t\u1edbi 10% (Hoeft, 1993). B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c ti\u00eau ch\u00ed t\u01b0\u01a1ng t\u1ef1 nh\u01b0 Diakunchak (1991), l\u1ee3i nhu\u1eadn \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n d\u1ef1a tr\u00ean qu\u00e1 tr\u00ecnh t\u1ea9y r\u1eeda online v\u00e0 offline l\u00e0 1,175,000USD trong h\u01a1n 8000 gi\u1edd ho\u1ea1t \u0111\u1ed9ng, m\u1ed9t m\u1ee9c l\u1ee3i nhu\u1eadn r\u1ea5t \u0111\u00e1ng k\u1ec3. M\u1ed9t l\u01b0\u1ee3ng x\u1ea5p x\u1ec9 20,000 USD \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 chi tr\u1ea3 cho h\u00f3a ch\u1ea5t t\u1ea9y r\u1eeda, m\u1ed9t m\u1ee9c chi ph\u00ed r\u1ea5t th\u1ea5p so v\u1edbi l\u1ee3i nhu\u1eadn mang l\u1ea1i. H\u01a1n n\u1eefa, khi kh\u00f4ng c\u00f3 qu\u00e1 tr\u00ecnh t\u1ea9y r\u1eeda s\u1ebd c\u00f3 th\u00eam m\u1ed9t l\u01b0\u1ee3ng l\u1ee3i nhu\u1eadn b\u1ecb t\u1ed5n th\u1ea5t do s\u1ef1 suy gi\u1ea3m s\u1ea3n l\u01b0\u1ee3ng c\u1ee7a tua bin h\u01a1i n\u01b0\u1edbc nh\u01b0 l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a b\u00e1m b\u1ea9n tr\u00ean m\u00e1y n\u00e9n tua bin kh\u00ed trong nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n chu tr\u00ecnh h\u1ed7n h\u1ee3p.<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table width=\"748\">\n<tbody>\n<tr>\n<td><span style=\"color: #00ccff; font-size: 12pt;\"><span style=\"font-weight: bold;\">\u1ea2NH H\u01af\u1edeNG C\u1ee6A H\u01a0I N\u01af\u1edaC TRONG M\u00c1Y N\u00c9N KH\u00cd T\u1edaI HI\u1ec6U SU\u1ea4T C\u1ee6A \u0110\u1ed8NG C\u01a0 TUABIN KH\u00cd<\/span><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\">\n<tbody>\n<tr>\n<td><span style=\"font-size: 12pt;\"><a href=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/H\u00ecnh-3.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3990\" src=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/H\u00ecnh-3-300x148.png\" alt=\"H\u00ecnh 3\" width=\"345\" height=\"170\" srcset=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/H\u00ecnh-3-300x148.png 300w, https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/H\u00ecnh-3.png 560w\" sizes=\"auto, (max-width: 345px) 100vw, 345px\" \/><\/a><\/span><\/td>\n<td style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">Trong khi quan s\u00e1t s\u1ef1 t\u1ed5n th\u1ea5t v\u1ec1 n\u0103ng l\u01b0\u1ee3ng gi\u1eefa hai l\u1ea7n t\u1ea9y r\u1eeda online (t\u1eeb 70 -72 gi\u1edd) \u1edf nghi\u00ean c\u1ee9u tr\u00ean, c\u00e1c nh\u00e0 \u0111i\u1ec1u h\u00e0nh nh\u1eadn th\u1ea5y m\u1ed9t s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00e1ng ch\u00fa \u00fd gi\u1eefa c\u00e1c k\u1ebft qu\u1ea3 c\u1ee7a 14 l\u1ea7n kh\u00e1c nhau (h\u00ecnh 3). V\u00ed d\u1ee5, s\u1ea3n l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng b\u1ecb t\u1ed5n th\u1ea5t gi\u1eefa hai \u0111i\u1ec3m L186 v\u00e0 L187 ch\u1ec9 l\u00e0 0,2% sau 71 gi\u1edd, nh\u01b0ng gi\u1eefa 2 \u0111i\u1ec3m L188 v\u00e0 L189 sau 69 gi\u1edd l\u00ean t\u1edbi 2.7% (H\u00ecnh 3).<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"749\">\n<tbody>\n<tr>\n<td><span style=\"font-size: 10pt;\"><span style=\"font-weight: bold; font-style: italic;\">H\u00ecnh 3:<\/span><span style=\"font-style: italic;\">\u00a0So s\u00e1nh n\u0103ng l\u01b0\u1ee3ng t\u1ed5n th\u1ea5t gi\u1eefa c\u00e1c l\u1ea7n t\u1ea9y r\u1eeda online L186\/ L187 v\u00e0 L188\/L189<\/span><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"733\">\n<tbody>\n<tr>\n<td><span style=\"font-size: 10pt;\"><span style=\"font-weight: bold;\">Kho\u1ea3ng th\u1eddi gian<\/span><\/span><\/td>\n<td><span style=\"font-size: 10pt;\"><span style=\"font-weight: bold;\">L186 \u2013 L187<\/span><\/span><\/td>\n<td><span style=\"font-size: 10pt;\"><span style=\"font-weight: bold;\">L188 &#8211; L189<\/span><\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-size: 10pt;\"><span style=\"font-weight: bold;\">Ng\u00e0y<\/span><\/span><\/td>\n<td><span style=\"font-size: 10pt;\">26.2.1991 \u2013 1.3.1991<\/span><\/td>\n<td><span style=\"font-size: 10pt;\">1.3.1991 \u2013 4.3.1991<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-size: 10pt;\"><span style=\"font-weight: bold;\">Th\u1edfi gian ho\u1ea1t \u0111\u1ed9ng<\/span><\/span><\/td>\n<td><span style=\"font-size: 10pt;\">71<\/span><\/td>\n<td><span style=\"font-size: 10pt;\">69<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-size: 10pt;\"><span style=\"font-weight: bold;\">S\u1ea3n l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng<\/span><\/span><\/td>\n<td><span style=\"font-size: 10pt;\">67.66 xu\u1ed1ng 67.56 MW<\/span><\/td>\n<td><span style=\"font-size: 10pt;\">67.84 xu\u1ed1ng 65.99 MW<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-size: 10pt;\"><span style=\"font-weight: bold;\">%N\u0103ng l\u01b0\u1ee3ng t\u1ed5n th\u1ea5t<\/span><\/span><\/td>\n<td><span style=\"font-size: 10pt;\">107kW \/0.2%<\/span><\/td>\n<td><span style=\"font-size: 10pt;\">1851kW \/ 2.7%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\">\n<tbody>\n<tr>\n<td style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">C\u00f3 m\u1ed9t gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng t\u1ed5n th\u1ea5t v\u1ec1 n\u0103ng l\u01b0\u1ee3ng s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o h\u00e0m l\u01b0\u1ee3ng \u1ea9m c\u1ee7a kh\u00f4ng kh\u00ed b\u00ean trong m\u00e1y n\u00e9n (Bird and Grabe, 1991). V\u1edbi c\u00e1c d\u1eef li\u1ec7u thu th\u1eadp \u0111\u01b0\u1ee3c trong giai \u0111o\u1ea1n th\u1eed nghi\u1ec7m, t\u1ed5ng l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 h\u01a1i n\u01b0\u1edbc \u0111i v\u00e0o m\u00e1y n\u00e9n kh\u00ed \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh. T\u01b0\u01a1ng \u1ee9ng, d\u00f2ng ch\u1ea3y kh\u00f4ng kh\u00ed trong m\u00e1y n\u00e9n c\u0169ng \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n d\u1ef1a tr\u00ean c\u00e1c s\u1ed1 li\u1ec7u v\u1ec1 nhi\u1ec7t \u0111\u1ed9. C\u00e1c k\u1ebft qu\u1ea3 x\u00e1c \u0111\u1ecbnh r\u1eb1ng l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 h\u01a1i n\u01b0\u1edbc trung b\u00ecnh l\u00e0 7,7 t\u1ea5n\/gi\u1edd ho\u1eb7c 548 t\u1ea5n trong 70 gi\u1edd ho\u1ea1t \u0111\u1ed9ng. K\u1ebft qu\u1ea3 th\u1ea5p nh\u1ea5t l\u00e0 4,1\u00a0 t\u1ea5n\/gi\u1edd v\u00e0 cao nh\u1ea5t l\u00e0 11 t\u1ea5n\/gi\u1edd. H\u00ecnh 4 b\u00ean d\u01b0\u1edbi th\u1ec3 hi\u1ec7n m\u1ed1i li\u00ean h\u1ec7 gi\u1eefa t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng v\u00e0 t\u1ed5ng l\u01b0\u1ee3ng \u1ea9m (n\u01b0\u1edbc v\u00e0 h\u01a1i n\u01b0\u1edbc). C\u00e1c k\u1ebft qu\u1ea3 n\u00e0y cho th\u1ea5y r\u00f5 m\u1ed9t s\u1ef1 t\u01b0\u01a1ng quan nh\u1ea5t \u0111\u1ecbnh gi\u1eefa \u0111\u1ed9 \u1ea9m tuy\u1ec7t \u0111\u1ed1i v\u00e0 t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng. M\u1ee9c t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng s\u1ebd gia t\u0103ng t\u01b0\u01a1ng \u1ee9ng v\u1edbi h\u00e0m l\u01b0\u01a1ng \u0111\u1ed9 \u1ea9m cho \u0111\u1ebfn khi \u0111\u1ea1t m\u1ed9t m\u1ee9c t\u1ed1i \u0111a, kho\u1ea3ng 400 \u0111\u1ebfn 500 t\u1ea5n trong 70 gi\u1edd, tr\u01b0\u1edbc khi gi\u1ea3m tr\u1edf l\u1ea1i<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"499\">\n<tbody>\n<tr>\n<td><span style=\"font-size: 12pt;\"><a href=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/Hinh4.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3992\" src=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/Hinh4-300x140.png\" alt=\"H\u00ecnh 4: S\u1ef1 t\u01b0\u01a1ng quan gi\u1eefa \u0111\u1ed9 \u1ea9m tuy\u1ec7t \u0111\u1ed1i v\u00e0 t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng\" width=\"392\" height=\"183\" srcset=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/Hinh4-300x140.png 300w, https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/Hinh4.png 936w\" sizes=\"auto, (max-width: 392px) 100vw, 392px\" \/><\/a><\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-size: 10pt;\"><em><span style=\"font-weight: bold;\">H\u00ecnh 4:<\/span>\u00a0S\u1ef1 t\u01b0\u01a1ng quan gi\u1eefa \u0111\u1ed9 \u1ea9m tuy\u1ec7t \u0111\u1ed1i v\u00e0 t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng<\/em><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-size: 12pt;\">\u00a0<\/span><\/td>\n<td>\n<p style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">Trong nhi\u1ec1u n\u0103m, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0a ra nhi\u1ec1u c\u00e1ch gi\u1ea3i th\u00edch kh\u00e1c nhau li\u00ean quan \u0111\u1ebfn hi\u00ean t\u01b0\u1ee3ng n\u00e0y \u1ea3nh h\u01b0\u1edfng t\u1eeb c\u00e1c b\u1ec1 m\u1eb7t \u01b0\u1edbt c\u1ee7a c\u00e1nh m\u00e1y n\u00e9n kh\u00ed \u0111\u1ebfn kh\u00ed \u0111\u1ed9ng h\u1ecdc, \u1ea3nh h\u01b0\u1edfng c\u1ee7a c\u00e1c ch\u1ea5t b\u1ea9n g\u1ed1c h\u1eefu c\u01a1 \u0111\u1ebfn kh\u1ea3 n\u0103ng t\u1ea9y r\u1eeda c\u1ee7a n\u01b0\u1edbc, \u2026 . Trong \u0111\u00f3, gi\u1ea3 thuy\u1ebft \u0111\u1ea1t \u0111\u01b0\u1ee3c nhi\u1ec1u s\u1ef1 \u1ee7ng h\u1ed9 nh\u1ea5t l\u00e0 s\u1ef1 t\u00e1i \u0111\u00f3ng c\u1eb7n c\u1ee7a c\u00e1c ch\u1ea5t b\u1ea9n do h\u00e0m l\u01b0\u1ee3ng \u1ea9m l\u1edbn di chuy\u1ec3n v\u00e0o trong m\u00e1y n\u00e9n kh\u00ed, \u0111\u01b0\u1ee3c ch\u1ee9ng minh b\u1edfi Stalder (2001).<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"234\">\n<tbody>\n<tr>\n<td><span style=\"font-size: 12pt;\">H\u00ecnh 5 th\u1ec3 hi\u1ec7n \u0111\u01b0\u1eddng cong li\u00ean h\u1ec7 gi\u1eefa hai th\u00f4ng s\u1ed1 nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t c\u1ee7a \u0111\u1ed9ng c\u01a1 tua bin kh\u00ed t\u1ea1i Lage Weide 5, \u0111\u01b0\u1ee3c \u0111o \u0111\u1ea1c gi\u1eefa 2 \u0111i\u1ec3m L258 v\u00e0 L259, v\u1edbi \u0111i\u1ec1u ki\u1ec7n c\u1ee7a kh\u00f4ng kh\u00ed xung quanh nh\u01b0 sau:<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"625\">\n<tbody>\n<tr>\n<td>\n<ul>\n<li><span style=\"font-size: 12pt;\">Nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng kh\u00ed: 12.15oC<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">\u00c1p su\u1ea5t kh\u00ed quy\u1ec3n : 1.004mbar<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\">\n<tbody>\n<tr>\n<td style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">B\u1eb1ng c\u00e1ch \u0111\u1ed1i chi\u1ebfu v\u1edbi \u0111\u01b0\u1eddng cong th\u1ec3 hi\u1ec7n nhi\u1ec7t \u0111\u1ed9 bay h\u01a1i c\u1ee7a n\u01b0\u1edbc theo \u00e1p su\u1ea5t, ta c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u0111i\u1ec3m giao nhau gi\u1eefa ch\u00fang \u1edf nhi\u1ec7t \u0111\u1ed9 x\u1ea5p x\u1ec9 130oC v\u00e0 \u00e1p su\u1ea5t l\u00e0 2.8 bar, t\u1ee9c l\u00e0 v\u1ecb tr\u00ed t\u1ea7ng c\u00e1ch th\u1ee9 6 c\u1ee7a m\u00e1y n\u00e9n kh\u00ed. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a n\u01b0\u1edbc s\u1ebd hi\u1ec7n di\u1ec7n \u0111a s\u1ed1 \u1edf d\u1ea1ng c\u00e1c gi\u1ecdt ch\u1ea5t l\u1ecfng cho \u0111\u1ebfn t\u1ea7ng c\u00e1ch th\u1ee9 6 c\u1ee7a m\u00e1y n\u00e9n kh\u00ed tr\u01b0\u1edbc khi tr\u1edf th\u00e0nh d\u1ea1ng h\u01a1i n\u01b0\u1edbc, c\u00e1c ch\u1ea5t c\u1eb7n b\u1ea9n v\u00e0 mu\u1ed1i trong c\u00e1c gi\u1ecdt n\u01b0\u1edbc t\u1eeb c\u00e1c t\u1ea7ng c\u00e1nh \u0111\u1ea7u ti\u00ean s\u1ebd t\u00e1i b\u1ecb t\u00e1i \u0111\u00f3ng c\u1eb7n t\u1ea1i v\u00ed tr\u00ed n\u00e0y, b\u1ec1 m\u1eb7t c\u00e1nh l\u00e1 c\u1ee7a t\u1ea7ng c\u00e1nh n\u00e0y b\u1ecb thay \u0111\u1ed5i v\u00e0 gi\u1ea3m hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e1y n\u00e9n kh\u00ed (Stalder 2001)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"557\">\n<tbody>\n<tr>\n<td><span style=\"font-size: 12pt;\"><a href=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/Hinh5.png\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3993 alignleft\" src=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/Hinh5-300x175.png\" alt=\"H\u00ecnh 5: \u0110\u1eb7c t\u00ednh CDT&amp;CDP tr\u00ean m\u00e1y n\u00e9n kh\u00ed cho \u0111i\u1ec3m \u0111o \u0111\u1ea1c L258\/L259\" width=\"302\" height=\"176\" srcset=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/Hinh5-300x175.png 300w, https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/Hinh5.png 968w\" sizes=\"auto, (max-width: 302px) 100vw, 302px\" \/><\/a><\/span><\/td>\n<td><span style=\"font-size: 12pt;\"><a href=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/Hi6.png\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3994 alignleft\" src=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/Hi6-300x131.png\" alt=\"Hi6\" width=\"345\" height=\"151\" srcset=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/Hi6-300x131.png 300w, https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/Hi6.png 878w\" sizes=\"auto, (max-width: 345px) 100vw, 345px\" \/><\/a><\/span><\/p>\n<p>&nbsp;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"200\">\n<tbody>\n<tr>\n<td><span style=\"font-size: 10pt;\"><span style=\"font-weight: bold; font-style: italic;\">H\u00ecnh 5:<\/span><span style=\"font-style: italic;\">\u00a0\u0110\u1eb7c t\u00ednh CDT&amp;CDP tr\u00ean m\u00e1y n\u00e9n kh\u00ed \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/span><\/span><\/td>\n<td><span style=\"font-size: 10pt;\"><span style=\"font-weight: bold; font-style: italic;\">H\u00ecnh 6:<\/span><span style=\"font-style: italic;\">\u00a0Hi\u1ec7n t\u01b0\u1ee3ng t\u00e1i \u0111\u00f3ng c\u1eb7n tr\u00ean m\u00e1y n\u00e9n tua bin kh\u00ed\u00a0<\/span><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\">\n<tbody>\n<tr>\n<td style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">Gi\u1ea3 thuy\u1ebft n\u00e0y c\u0169ng gi\u1ea3i th\u00edch hi\u00ean t\u01b0\u1ee3ng hi\u1ec7u su\u1ea5t gi\u1ea3m khi l\u01b0\u1ee3ng \u1ea9m t\u0103ng \u0111\u1ebfn m\u1ed9t m\u1ee9c t\u1ed1i \u0111a v\u00e0 sau \u0111\u00f3 gi\u1ea3m tr\u1edf l\u1ea1i, \u0111\u1ed9 \u1ea9m (l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 h\u01a1i n\u01b0\u1edbc) t\u0103ng s\u1ebd r\u1eeda s\u1ea1ch ph\u1ea7n n\u00e0o c\u00e1c v\u1ecb tr\u00ed \u0111\u00e3 b\u1ecb t\u00e1i \u0111\u00f3ng c\u0103n. C\u00e1c c\u1eb7n b\u1ea9n gi\u1edd \u0111\u00e2y s\u1ebd \u0111\u01b0\u1ee3c di chuy\u1ec3n v\u00e0o c\u00e1c t\u1ea7ng c\u00e1nh s\u00e2u h\u01a1n b\u00ean trong, v\u1ed1n \u00edt \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t m\u00e1y n\u00e9n\u00a0 v\u00e0 do \u0111\u00f3 m\u1ed9t ph\u1ea7n nhi\u1ec7t l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c gia t\u0103ng tr\u1edf l\u1ea1i. Tuy nhi\u00ean, \u1ea3nh h\u01b0\u1edfng l\u1edbn nh\u1ea5t t\u1eeb hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y l\u00e0 gia t\u0103ng kh\u1ea3 n\u0103ng c\u00e1nh m\u00e1y n\u00e9n b\u1ecb \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a (Stalder 2001).<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\">\n<tbody>\n<tr>\n<td style=\"text-align: justify;\"><span style=\"color: #ff0000; font-size: 12pt;\">Vi\u1ec7c t\u1ea9y r\u1eeda online b\u1eb1ng n\u01b0\u1edbc t\u1ee9c l\u00e0 \u0111\u00e3 \u0111\u01b0a m\u1ed9t l\u01b0\u1ee3ng h\u01a1i \u1ea9m r\u1ea5t l\u1edbn v\u00e0o m\u00e1y n\u00e9n kh\u00ed trong m\u1ed9t kho\u1ea3ng th\u1eddi gian r\u1ea5t ng\u1eafn, \u0111i\u1ec1u n\u00e0y gia t\u0103ng \u0111\u00e1ng k\u1ec3\u00a0 kh\u1ea3 n\u0103ng t\u00e1i \u0111\u00f3ng c\u1eb7n v\u00e0 \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a tr\u00ean c\u00e1nh m\u00e1y n\u00e9n. Hi\u1ec7u su\u1ea5t c\u1ee7a \u0111\u1ed9ng c\u01a1 tuy \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n nh\u01b0ng nh\u1eefng t\u1ed1n th\u1ea5t kh\u00e1c li\u00ean quan t\u1edbi s\u1ef1 \u0103n m\u00f2n v\u00e0 h\u01b0 h\u1ea1i c\u00f3 th\u1ec3 g\u1ea9y t\u1ed5n th\u1ea5t l\u1edbn h\u01a1n nhi\u1ec1u cho nh\u00e0 v\u1eadn h\u00e0nh so v\u1edbi c\u00e1c l\u1ee3i \u00edch thu l\u1ea1i \u0111\u01b0\u1ee3c.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"749\">\n<tbody>\n<tr>\n<td><span style=\"color: #00ccff; font-size: 12pt;\"><span style=\"font-weight: bold;\">T\u1ea8Y R\u1eecA ONLINE B\u1eb0NG H\u00d3A CH\u1ea4T<\/span><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\">\n<tbody>\n<tr>\n<td style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">C\u0169ng trong th\u1eddi gian n\u00e0y, Rochem Technical Services Ltd (RTS) \u0111\u00e3 ti\u1ebfn h\u00e0nh m\u1ed9t nghi\u00ean c\u1ee9u d\u00e0i ng\u00e0y tr\u00ean \u0111\u1ed9ng c\u01a1 tua bin kh\u00ed GE Frame 6, th\u1eddi gian th\u1eed nghi\u1ec7m k\u00e9o d\u00e0i t\u1edbi 750 ng\u00e0y t\u1eeb 30.4.1987. Trong 47 ng\u00e0y \u0111\u1ea7u ti\u00ean, \u0111\u1ed9ng c\u01a1 \u0111\u01b0\u1ee3c v\u1eadn h\u00e0nh li\u00ean t\u1ee5c m\u00e0 kh\u00f4ng c\u00f3 b\u1ea5t k\u00ec m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p t\u1ea9y r\u1eeda n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, t\u1eeb ng\u00e0y th\u1ee9 47 \u0111\u1ebfn ng\u00e0y th\u1ee9 117 \u0111\u1ed9ng c\u01a1 \u0111\u01b0\u1ee3c t\u1ea9y r\u1eeda online b\u1eb1ng n\u01b0\u1edbc v\u1edbi t\u1ea7n su\u1ea5t m\u1ed7i ng\u00e0y m\u1ed9t l\u1ea7n. \u0110\u1ed9ng c\u01a1 \u0111\u01b0\u1ee3c ng\u01b0ng ho\u00e0n to\u00e0n v\u00e0 ti\u1ebfn h\u00e0nh m\u1ed9t l\u1ea7n t\u1ea9y r\u1eeda offline (crank-wash) trong 2 ng\u00e0y 119 v\u00e0 120. Sau \u0111\u00f3 \u0111\u1ed9ng c\u01a1 ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng m\u00e0 kh\u00f4ng ti\u1ebfn h\u00e0nh qu\u00e1 tr\u00ecnh t\u1ea9y r\u1eeda online k\u1ebft qu\u1ea3 l\u00e0 ch\u1ec9 t\u1edbi sau ng\u00e0y 191, hi\u1ec7u su\u1ea5t c\u1ee7a \u0111\u1ed9ng c\u01a1 \u0111\u00e3 gi\u1ea3m tr\u1edf v\u1ec1 l\u1ea1i m\u1ee9c tr\u01b0\u1edbc khi t\u1ea9y r\u1eeda offline. Th\u1eed nghi\u1ec7m ti\u1ebfp t\u1ee5c v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng qu\u00e1 tr\u00ecnh t\u1ea9y r\u1eeda online b\u1eb1ng n\u01b0\u1edbc m\u1ed7i ng\u00e0y v\u00e0 k\u1ebft h\u1ee3p v\u1edbi s\u1eed d\u1ee5ng h\u00f3a ch\u1ea5t Fyrewash SB ba ng\u00e0y m\u1ed9t l\u1ea7n, qu\u00e1 tr\u00ecnh n\u00e0y k\u00e9o d\u00e0i t\u1edbi 559 ng\u00e0y li\u00ean t\u1ee5c. K\u1ebft qu\u1ea3 th\u00ec nghi\u1ec7m \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb trong h\u00ecnh 7:<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"727\">\n<tbody>\n<tr>\n<td><span style=\"font-size: 12pt;\"><a href=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/hin7.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3995\" src=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/hin7.png\" alt=\"hin7\" width=\"750\" height=\"407\" srcset=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/hin7.png 952w, https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/hin7-300x162.png 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/a><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"404\">\n<tbody>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><em><span style=\"font-weight: bold;\">H\u00ecnh 7:<\/span>\u00a0Hi\u1ec7u su\u1ea5t c\u1ee7a \u0111\u1ed9ng c\u01a1 tua bin kh\u00ed s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p t\u1ea9y r\u1eeda online b\u1eb1ng n\u01b0\u1edbc k\u1ebft h\u1ee3p v\u1edbi h\u00f3a ch\u1ea5t<\/em><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"579\">\n<tbody>\n<tr>\n<td><span style=\"font-size: 12pt;\"><strong style=\"font-weight: bold; color: #ff0000;\">C\u00e1c k\u1ebft qu\u1ea3 r\u00fat ra \u0111\u01b0\u1ee3c t\u1eeb qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m:<\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"645\">\n<tbody>\n<tr>\n<td>\n<ul>\n<li style=\"text-align: justify;\"><span style=\"font-size: 12pt;\"><em>T\u1ea9y r\u1eeda online b\u1eb1ng n\u01b0\u1edbc li\u00ean t\u1ee5c c\u00f3 th\u1ec3 duy tr\u00ec \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh c\u1ee7a \u0111\u1ed9ng c\u01a1 tua bin kh\u00ed trong th\u1eddi gian d\u00e0i. N\u1ebfu kh\u00f4ng duy tri ph\u01b0\u01a1ng ph\u00e1p t\u1ea9y r\u1eeda online, hi\u1ec7u su\u1ea5t \u0111\u1ed9ng c\u01a1 s\u1ebd gi\u1ea3m nhanh ch\u00f3ng ngay sau m\u1ed7i l\u1ea7n t\u1ea9y r\u1eeda offline.<\/em><\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-size: 12pt;\"><em>Vi\u1ec7c s\u1eed d\u1ee5ng h\u00f3a ch\u1ea5t k\u1ebft h\u1ee3p trong ph\u01b0\u01a1ng ph\u00e1p t\u1ea9y r\u1eeda online duy tr\u00ec hi\u1ec7u su\u1ea5t cao h\u01a1n h\u1eb3n ch\u1ec9 d\u00f9ng n\u01b0\u1edbc th\u00f4ng th\u01b0\u1eddng.<\/em><\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-size: 12pt;\"><em>C\u00e1c ghi nh\u1eadn c\u0169ng cho th\u1ea5y kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng t\u00e1i \u0111\u00f3ng c\u1eb7n tr\u00ean m\u00e1y n\u00e9n tuabin kh\u00ed sau m\u1ed9t kho\u1ea3ng th\u1eddi gian d\u00e0i s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p t\u1ea9y r\u1eeda online s\u1eed d\u1ee5ng h\u00f3a ch\u1ea5t k\u1ebft h\u1ee3p v\u1edbi n\u01b0\u1edbc.<\/em><\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-size: 12pt;\"><em>Chi ph\u00ed thu h\u1ed3i \u0111\u01b0\u1ee3c c\u1ee7a m\u1ed7i th\u00e1ng sau khi tr\u1eeb \u0111i chi ph\u00ed h\u00f3a ch\u1ea5t l\u00ean t\u1edbi 20.000 USD, m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng r\u1ea5t \u0111\u00e1ng k\u1ec3<\/em><\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\">\n<tbody>\n<tr>\n<td style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">N\u0103m 2005, Rochem ti\u1ebfn h\u00e0nh \u0111\u00e1nh gi\u00e1 l\u1ea1i nghi\u00ean c\u1ee9u n\u00e0y tr\u00ean 2 \u0111\u1ed9ng c\u01a1 tua bin kh\u00ed GE 7FA gi\u1ed1ng nhau, ho\u1ea1t \u0111\u1ed9ng trong c\u00f9ng m\u1ed9t \u0111i\u1ec1u ki\u1ec7n v\u00e0 th\u1eddi gian gi\u1ed1ng nhau. C\u00e1c k\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb tr\u00ean h\u00ecnh 7, t\u1eeb ng\u00e0y 4.7.2005 \u0111\u1ebfn ng\u00e0y 29.8.2005. C\u00e1c k\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c ch\u1ec9 ra tr\u00ean h\u00ecnh 7 cho th\u1ea5y t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng khi ch\u1ec9 s\u1eed d\u1ee5ng n\u01b0\u1edbc \u0111\u1ec3 t\u1ea9y r\u1eeda online l\u00e0 0,45% sau 56 ng\u00e0y, n\u1ebfu s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p h\u00f3a ch\u1ea5t Fyrewash F2 l\u00e0 0,25%.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"368\">\n<tbody>\n<tr>\n<td><span style=\"font-size: 12pt;\"><a href=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/Hinh8.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3996\" src=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/Hinh8.png\" alt=\"Hinh8\" width=\"750\" height=\"385\" srcset=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/Hinh8.png 842w, https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/Hinh8-300x153.png 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/a><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"749\">\n<tbody>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><em><span style=\"font-weight: bold;\">H\u00ecnh 8:<\/span>\u00a0So s\u00e1nh hi\u1ec7u su\u1ea5t c\u1ee7a 2 \u0111\u1ed9ng c\u01a1 tua bin kh\u00ed GE 7FA s\u1eed d\u1ee5ng 2 ph\u01b0\u01a1ng ph\u00e1p t\u1ea9y r\u1eeda online kh\u00e1c nhau<\/em><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\">\n<tbody>\n<tr>\n<td style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">C\u00e1ch gi\u1ea3i th\u00edch \u0111\u01b0\u1ee3c \u0111\u01b0a ra cho c\u00e1c k\u1ebft qu\u1ea3 tr\u00ean l\u00e0 do c\u00e1c t\u00ednh ch\u1ea5t \u0111\u1eb7c bi\u1ec7t c\u1ee7a h\u00f3a ch\u1ea5t t\u1ea9y r\u1eeda \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. So v\u1edbi n\u01b0\u1edbc kh\u1eed kho\u00e1ng th\u00f4ng th\u01b0\u1eddng, khi s\u1eed d\u1ee5ng h\u00f3a ch\u1ea5t pha lo\u00e3ng b\u1eb1ng n\u01b0\u1edbc cho qu\u00e1 tr\u00ecnh t\u1ea9y r\u1eeda online, nhi\u1ec7t \u0111\u1ed9 bay h\u01a1i c\u1ee7a c\u00e1c h\u1ed7n h\u1ee3p n\u00e0y th\u01b0\u1eddng cao h\u01a1n r\u1ea5t nhi\u1ec1u (h\u00f3a ch\u1ea5t Fyrewash SB c\u00f3 nhi\u1ec7t \u0111\u1ed9 bay h\u01a1i 210oC v\u00e0 Fyrewash F2 l\u00e0 110oC theo RTS). Do nhi\u1ec7t \u0111\u1ed9 trong m\u00e1y n\u00e9n lu\u00f4n th\u1ea5p h\u01a1n nhi\u1ec7t \u0111\u1ed9 bay h\u01a1i c\u1ee7a h\u1ed7n h\u1ee3p (h\u00ecnh 9), n\u00ean c\u00e1c h\u1ea1t ch\u1ea5t l\u1ecfng di chuy\u1ec3n xuy\u00ean su\u1ed1t c\u00e1c t\u1ea7ng c\u00e1nh c\u1ee7a m\u00e1y n\u00e9n kh\u00ed v\u00e0 mang theo h\u1ea7u h\u1ebft c\u00e1c ch\u1ea5t c\u1eb7n b\u1ea9n v\u00e0 bu\u1ed3ng \u0111\u1ed1t, lo\u1ea1i b\u1ecf hi\u1ec7n t\u01b0\u1ee3ng t\u00e1i \u0111\u00f3ng c\u1eb7n.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\">\n<tbody>\n<tr>\n<td style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">Ch\u00ednh v\u00ec th\u1ebf, hi\u1ec7n nay c\u00e1c h\u00f3a ch\u1ea5t t\u1ea9y r\u1eeda m\u00e1y n\u00e9n kh\u00ed tua bin kh\u00ed \u0111\u1ec1u \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u ch\u1ebf t\u1ea1o t\u1eeb c\u00e1c h\u1ee3p ch\u1ea5t v\u1edbi nhi\u1ec7t \u0111\u1ed9 bay h\u01a1i r\u1ea5t cao, th\u1eadm ch\u00ed l\u00e0 kh\u00f4ng th\u1ec3 bay h\u01a1i (nh\u01b0 l\u00e0 Fyrewash F4, RTS) gi\u00fap c\u00e1c nh\u00e0 v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh quy tr\u00ecnh t\u1ea9y r\u1eeda online m\u00e0 kh\u00f4ng ph\u1ea3i quan t\u00e2m t\u1edbi hi\u1ec7n t\u01b0\u1ee3ng \u0103n m\u00f2n tr\u00ean c\u00e1nh l\u00e1 m\u00e1y n\u00e9n kh\u00ed.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"606\">\n<tbody>\n<tr>\n<td><span style=\"font-size: 12pt;\"><a href=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/Hinh9.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3997\" src=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/Hinh9.png\" alt=\"Hinh9\" width=\"750\" height=\"431\" srcset=\"https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/Hinh9.png 824w, https:\/\/rochem.vn\/wp-content\/uploads\/2015\/03\/Hinh9-300x172.png 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/a><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"576\">\n<tbody>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><em><span style=\"font-weight: bold;\">H\u00ecnh 9:<\/span>\u00a0S\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 bay h\u01a1i c\u1ee7a h\u00f3a ch\u1ea5t Fyrewash SB theo \u00e1p su\u1ea5t c\u1ee7a m\u00e1y n\u00e9n tua bin kh\u00ed<\/em><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\" width=\"749\">\n<tbody>\n<tr>\n<td><span style=\"color: #00ccff; font-size: 12pt;\"><span style=\"font-weight: bold;\">K\u1ebeT LU\u1eacN<\/span><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\">\n<tbody>\n<tr>\n<td style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">M\u1ee9c \u0111\u1ed9 b\u00e1m b\u1ea9n c\u00f3 th\u1ec3 r\u1ea5t kh\u00e1c nhau v\u00e0 r\u1ea5t \u0111\u1eb7c bi\u1ec7t cho t\u1eebng nh\u00e0 m\u00e1y c\u1ee5 th\u1ec3. C\u00e1c th\u00f4ng s\u1ed1 thi\u1ebft k\u1ebf c\u1ee7a \u0111\u1ed9ng c\u01a1 tuabin kh\u00ed, v\u00ed tr\u00ed v\u00e0 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng xung quanh, \u0111i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu, thi\u1ebft k\u1ebf c\u1ee7a nh\u00e0 m\u00e1y v\u00e0 v\u1ecb tr\u00ed n\u00f3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u0111\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a \u0111\u1ed9ng c\u01a1. Ch\u00ednh v\u00ec th\u1ebf qu\u00e1 tr\u00ecnh t\u1ea9y r\u1eeda m\u00e1y n\u00e9n \u0111\u1ed9ng c\u01a1 tua bin khi c\u1ea7n ph\u1ea3i c\u00f3 qu\u00e1 tr\u00ecnh nghi\u00ean c\u1ee9u v\u00e0 l\u1ef1a ch\u1ecdn k\u0129 l\u01b0\u1ee1ng, t\u1eeb l\u1ef1a ch\u1ecdn c\u00e1c lo\u1ea1i h\u00f3a ch\u1ea5t ph\u00f9 h\u1ee3p t\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ea9y r\u1eeda\u00a0 sao cho t\u1ed1i \u01b0u nh\u1ea5t.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table>\n<tbody>\n<tr>\n<td><span style=\"color: #00ccff; font-size: 12pt;\"><span style=\"font-weight: bold;\">T\u00c0I LI\u1ec6U THAM KH\u1ea2O<\/span><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width: 750px;\">\n<tbody>\n<tr>\n<td>\n<ol>\n<li style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">Hoeft, R. F., 1993, \u2018\u2018<em>Heavy Duty Gas Turbine Operating and Maintenance Considerations<\/em>,\u2019\u2019 GER-3620B, GE I&amp;PS.<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">Stalder, J. P., and van Oosten, P., 1994, \u2018\u2018<em>Compressor Washing Maintains Plant Performance and Reduces Cost of Energy Production<\/em>,\u2019\u2019 ASME PaperNo. 94-GT-436.<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">Diakunchak, I. S., 1991, \u2018\u2018<em>Performance Deterioration in Industrial Gas Turbines<\/em>,\u2019\u2019ASME Paper No. 91-GT-228.<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">\u00a0Tarabrin, A. P., Schurovsky, V. A., Bodrov, A. I., and Stalder, J. P., \u2018\u2018<em>An Analysis of Axial Compressor Fouling and a Cleaning Method of their Blading<\/em>,\u2019\u2019 ASME Paper No. 96-GT-363.<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">Bird, J., and Grabe, W., 1991, \u2018\u2018<em>Humidity Effects on Gas Turbine Performance<\/em>,\u2019\u2019 ASME Paper No. 91-GT-329.<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">Jeffs, E., 1992, \u2018\u2018<em>Compressor Washing On Line for Large Gas Turbine<\/em>,\u2019\u2019 Turbomachinery International, 33, (6)<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">J.-P. Stalder, 2001, \u201c<em>Gas Turbine Compressor Washing State of the Art: Field Experiences<\/em>\u201d, P. O. Box 1411, Ch-540 Baden, Switzerland<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">Martin Howarth, 2014,\u201d<em>Online Washing Water vs FYREWASH chemical<\/em>\u201d, Rochem Technical Services Ltd, UK<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">Meherwan P.Boyce, 2002, \u201c<em>Gad Turbine Engineering Handbook , Second edition\u201d,\u00a0<\/em>Gulf Professional Publishing, Elsevier, US<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-size: 12pt;\">Cyrus B. Meher-Homji, 2004, \u201c<em>Gas Turbine Axial Compressor Fouling And Washing<\/em>\u201d, Principal Engineer, Turbomachinery Group, LNG Product Development Center, Houston, Texas<\/span><\/li>\n<\/ol>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-size: 12pt;\">\u00a0<\/span><\/p>\n<p><span style=\"font-style: italic; font-size: 12pt;\">\u00a0<\/span><\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u1ede \u0110\u1ea6U Nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng s\u1edbm nh\u1ea5t \u0111\u1ec3 l\u00e0m s\u1ea1ch m\u00e1y n\u00e9n kh\u00ed l\u00e0 t\u1ea9y r\u1eeda off line b\u1eb1ng tay v\u00e0 online b\u1eb1ng c\u00e1c lo\u1ea1i ch\u1ea5t r\u1eafn h\u1eefu c\u01a1. Tuy nhi\u00ean v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n ng\u00e0y c\u00e0ng tinh vi c\u1ee7a c\u00e1c tua bin kh\u00ed, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y d\u1ea7n d\u1ea7n \u0111\u01b0\u1ee3c thay [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[203],"tags":[],"class_list":["post-3985","post","type-post","status-publish","format-standard","hentry","category-gasturbine-study"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/rochem.vn\/index.php\/wp-json\/wp\/v2\/posts\/3985","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rochem.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rochem.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rochem.vn\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/rochem.vn\/index.php\/wp-json\/wp\/v2\/comments?post=3985"}],"version-history":[{"count":34,"href":"https:\/\/rochem.vn\/index.php\/wp-json\/wp\/v2\/posts\/3985\/revisions"}],"predecessor-version":[{"id":4031,"href":"https:\/\/rochem.vn\/index.php\/wp-json\/wp\/v2\/posts\/3985\/revisions\/4031"}],"wp:attachment":[{"href":"https:\/\/rochem.vn\/index.php\/wp-json\/wp\/v2\/media?parent=3985"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rochem.vn\/index.php\/wp-json\/wp\/v2\/categories?post=3985"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rochem.vn\/index.php\/wp-json\/wp\/v2\/tags?post=3985"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}